Chicago Marathon
Race Day Weather
Cool start, shifting winds ahead
Runners will face a pleasant start at 57°F, warming slightly to 61°F by the finish. A steady headwind will challenge participants from miles 2-13 and again at miles 18 and 20-23, while tailwinds will assist at the start and final segments. With humidity at 71%, pacing adjustments may be necessary, particularly in the middle of the race when wind conditions are less favorable.
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Race Info
The Chicago Marathon is a marathon (long-distance foot race) held every October in Chicago, Illinois. It is one of the six World Marathon Majors. Thus, it is also a World Athletics Label Road Race. The Chicago Marathon is the fourth-largest race by number of finishers worldwide. Wikipedia
